Genetics questions and answers in October 2022

Genes R through Y (normally in alphabetical order with the centromere located between the T and U genes) are on one homologue and the recessive alleles r-y are on the other homologue. The r-y homologu...
The M and R  genes are located 14 map units apart on chromosome 2. A researcher crosses pure-breeding r mutant and m mutant parents, and then testcrosses the F 1 . The F 1 testcross progeny are found...
. Please answer the following questions for triploid Jonagold apples (3n = 51).  What is the frequency of forming an n OR a 2n gamete?  What is the frequency of producing a diploid embryo? Show your...
Flowers can be dilute (light purple), a result of the d recessive allele, or have extra petals, a result of the f allele. WT flowers are normal color ( D, dark purple) and have four petals ( F ). The ...
Which of the following mutations plays a key role in the speciation of plants? Group of answer choices mutation of chromosome number   nonsense   mutation of chromosome structure   lateral gene tra...
 . For this question below, refer to the phylogenetic tree illustrated below. Which of following statements is false? Feathers Feathers absent unknown Allosaurids Beiplaosaurus Tyrannosaurids Coudipt...
 . CAREFUL: This question can have multiple correct answers. Read the statements listed below. Choose all answers that are true statements about autopolyploidization. C] This speciation process resul...
Which of the following is a reason why polyploidy is so common in plants? Group of answer choices Plants can tolerate high levels of self-fertilization because they aren't as affected by inbreeding de...
Please indicate which option is correct . thank you ..      Question: 1 If the enzyme Helicase is mutated and not functional what could be a consequence?   A) transcription will not occur B) DNA s...
 . Answer the following questions: 1. What are the cis acting factors that affect transcription? 2. How are enhancers different from promoters? 3. What are transcription factors? What part of the DNA...
  1. Below is an mRNA transcript encoding a small gene. Translate this gene into amino acids using the table. Be sure to include the amino and carboxyl ends of the peptide (it is not necessary to dra...
  Cases 1 and 3 were normal patients and the case 2 was abnormal with 44 total chromosomes. I just need to fill the table using the pictures below, all of them have the case ID on the left corner.  ...
 . I. Interpreting Pedigree Information Use the pedigrees you created for Justin and Glenda to answer the questions below. i. What is the genotype of Glenda's brother and sister? How do you know? Gen...
1. The same aster plant from the previous question has a gene that affects the pattern of growth, with bunched growth dominant over ivy growth.  Two plants heterozygous for both traits are crossed. ...
Question 1      A common aster flower has blue or pink color based on a single gene with a simple dominant-recessive relationship.  A true-breeding blue-flowered plant was crossed with a true-bree...
Options for pull out menu are 1-4 but I am confused on how to approach it.. Question 3 3 pts Below is a PCR fragment containing restriction sites for BamHI, Pstl and Hindill. The DNA was digested with...
   . 6. The color of sunflower pollen can be orange, yellow, or white-cream. Crosses reveal that true- breeding orange is dominant to both yellow and white-cream. However, a cross between true-breed...
 . 1. How do sex-influenced and sex-limited traits differ from sex-linked traits? 2. Give the sex of the following organism assuming that autosomes are present in the normal number. Sex chromosome Or...
1. First explain in detail the following topics, then summarize them in one or two paragraphs: Chromosomal Aberrations - a. genetic mutations, b. chromosomal mutations, Chromosomes, Chromosome morphol...
Provide an example, in which epigenetic regulation is important for some trait or behavior of an organism (any organism). You will have to search for this yourself in the scientific literature. Name t...
In NextGen Sequencing, PCR is used to amplify stretches of genomic DNA, prior to sequencing.  Sometimes, PCR amplification is uneven across a genome, leading to sequences being over- or under- repres...
Someone gives you a flash drive containing the newly-completed genome sequence for the two- spotted octopus (just raw DNA sequence, nothing else). What methods (plural -more than one method is  used)...
Which of the following is an example of a potentially helpful genetic mutation?   a mouse that lives on a dark-colored surface being born with light colored fur     a mouse that lives on a green-co...
Morphologically similar and very closely related species of snapping shrimp live on  either side of the isthmus of Panama. Which mechanism of speciation does this observation support? (1 point)  (A)...
 . Read each of the DNA Sequence 1: sequences for the variable region of TK421. Indicate any ambiguities resulting from sequencing a heterozygous individual. G 4. Sequence 1: Sequence 2: A 5. Sequenc...
CREATE case study patient with hemolytic-uremic syndrome and summarize the following information: Relevant patient history and clinical presentation Laboratory tests and expected values  Prognosis an...
1. create questions on what can't be understood on genome wide association studies 2. create questions on what can't be understood on a saturated map of common genetics variants associated with human ...
 . 1. What is complementary DNA? e. A sequence of DNA as it is found in the genome f. DNA made from an RNA template g. The strand DNA opposite the strand used to make mRNA h. The sequence of cloned D...
A defective version of the kinase that functions at the G1 to S phase transition is unable to phosphorylate the helicase but remains capable of phosphorylating the helicase loading factors. What do yo...
The high fidelity of replication by DNA polymerase is due to all of the following EXCEPT...      1.  Appropriate helix geometry formed by complementary base pairing interactions between nucleotid...
In a eukaryotic cell lacking Topoisomerase II function, when do you expect to see a problem and why?     1.  In G1 phase because Topoisomerase II is needed to prevent premature origin firing     ...
based on the photos given: 1. How many hits are reported? 2. What are the hits generally associated with? 3. What's the Description of the top hit? 4. What's the percentage of the Query Cover of the t...
 . For your first lab report, you analyzed the growth patterns of two mutant yeast strains to narrow down the identity of those mutations. The following table is a key that outlines the specific muta...
In your lab you have an F -  strain of E. coli that is resistant to streptomycin and is unable to metabolize the sugar galactose, but it can metabolize glucose.   One of your lab partners has a an F...
Why do non-coding portions of the genomes tend to contain more sequence variation?   a. It is less susceptible to purifying selection b. it helps increase the amino acid sequence diversity that is sy...
Answer the following questions based on the pedigree below. Show at least some of your work. What is the probability that individual 12 will be identical by descent for V 3 (in other words be V 3 V 3 ...
Genotype {from mother, from father} Phenotype {o, none}, {o, o} Orange coat {b, none}, {b, b} Black coat {o, b}, {b, o} Tortoiseshell coat Assume that these versions of the gene appear in the populati...